Internet pornography is the new crack cocaine, leading to addiction, misogyny, pedophilia, boob jobs and erectile dysfunction, according to clinicians and researchers testifying before a Senate committee Thursday.

Witnesses before the Senate Commerce Committee's Science, Technology and Space Subcommittee spared no superlative in their description of the negative effects of pornography.

Mary Anne Layden, co-director of the Sexual Trauma and Psychopathology Program at the University of Pennsylvania's Center for Cognitive Therapy, called porn the "most concerning thing to psychological health that I know of existing today."

"The internet is a perfect drug delivery system because you are anonymous, aroused and have role models for these behaviors," Layden said. "To have drug pumped into your house 24/7, free, and children know how to use it better than grown-ups know how to use it -- it's a perfect delivery system if we want to have a whole generation of young addicts who will never have the drug out of their mind."

Pornography addicts have a more difficult time recovering from their addiction than cocaine addicts, since coke users can get the drug out of their system, but pornographic images stay in the brain forever, Layden said.

Jeffrey Satinover, a psychiatrist and advisor to the National Association for Research and Therapy of Homosexuality echoed Layden's concern about the internet and the somatic effects of pornography.

"Pornography really does, unlike other addictions, biologically cause direct release of the most perfect addictive substance," Satinover said. "That is, it causes masturbation, which causes release of the naturally occurring opioids. It does what heroin can't do, in effect."

The internet is dangerous because it removes the inefficiency in the delivery of pornography, making porn much more ubiquitous than in the days when guys in trench coats would sell nudie postcards, Satinover said.

Sen. Sam Brownback (R-Kansas), the subcommittee's chairman, called the hearing the most disturbing one he'd ever seen in the Senate. Brownback said porn was ubiquitous now, compared to when he was growing up and "some guy would sneak a magazine in somewhere and show some of us, but you had to find him at the right time."